GB455407A - Improvements in the manufacture of metal tubing - Google Patents
Improvements in the manufacture of metal tubingInfo
- Publication number
- GB455407A GB455407A GB3430935A GB3430935A GB455407A GB 455407 A GB455407 A GB 455407A GB 3430935 A GB3430935 A GB 3430935A GB 3430935 A GB3430935 A GB 3430935A GB 455407 A GB455407 A GB 455407A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tubes
- tube
- telescoped
- tubing
- making
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
- B21C37/09—Making tubes with welded or soldered seams of coated strip material ; Making multi-wall tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
455,407. Making tubing. HEILBUT, M. H., Kennan's House, Crown Court, Cheapside, London.-(Bundy Tubing Co. ; 4815, Bellevue Avenue, Detroit, Michigan, U.S.A.) Dec. 11, 1935, No. 34309. [Class 83 (ii)] In a method of making high-pressure tubing coated strip stock is used to form a number of tube members the edges of which are sealed by fused metal and these are disposed in telescoped relation and drawn down in size until the contiguous surfaces thereof tightly contact, the combined tube being then heated to unite the said surfaces by fusing the interposed coating metal. The coated tubes to be telescoped are preferably of the two-ply kind having an offset 3 against which the ends 4, 5 abut, copper-coated steel strip being suitable for making such tubes. Three tubes capable of being easily telescoped are fitted together and one end 17 of the composite tube thus formed is swaged so that it may be passed through a die 15 at the commencement of a drawing operation, Fig. 8. The composite tube is subsequently passed through a heating furnace 20, and cooler 21, Fig. 9, the former supplied through a pipe 22 with a non-oxidizing gas, with the result that the surfaces of the separate tubes are copper-welded together. The tube may thus be regarded as completed or it may be subjected to a further drawing process and annealed. Specifications 369,982 and 387,968 are referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3430935A GB455407A (en) | 1935-12-11 | 1935-12-11 | Improvements in the manufacture of metal tubing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3430935A GB455407A (en) | 1935-12-11 | 1935-12-11 | Improvements in the manufacture of metal tubing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB455407A true GB455407A (en) | 1936-10-20 |
Family
ID=10364026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3430935A Expired GB455407A (en) | 1935-12-11 | 1935-12-11 | Improvements in the manufacture of metal tubing |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB455407A (en) |
-
1935
- 1935-12-11 GB GB3430935A patent/GB455407A/en not_active Expired
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